200878988

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{4049}}^1$

素因数の和:4289

約数の個数: 24

約数和(自身を含む): 358344000

約数和(自身を除く): 157465012

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 4049, 8098, 12403, 16196, 24806, 49612, 319871, 635693, 639742, 1271386, 1279484, 2542772, 50219747, 100439494, 200878988]

約数ペア:

[(1, 200878988), (2, 100439494), (4, 50219747), (79, 2542772), (157, 1279484), (158, 1271386), (314, 639742), (316, 635693), (628, 319871), (4049, 49612), (8098, 24806), (12403, 16196)]